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Finding the Third Proportional to 2,013.19 and 4,372.31

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Solution

The third proportional to 2,013.19 and 4,372.31 is: 9,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.19 : 4,372.31 = 4,372.31 : x
  2. Step 2: Convert to fraction form
    2,013.19/4,372.31 = 4,372.31/x
  3. Step 3: Cross multiply
    2,013.19x = 4,372.31 × 4,372.31
  4. Step 4: Simplify right side
    2,013.19x = 19,117,116.60
  5. Step 5: Solve for x
    x = 19,117,116.60/2,013.19
  6. Step 6: Final answer
    x = 9,495.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.